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OpenStudy (anonymous):
Define power and explain how to determine power.
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OpenStudy (anonymous):
Power is the rate of change of energy per time. So if you have something using up 500 Joules of energy in 1 second... well that's what power is. The unit of Joules per second can also be expressed as a Watt. So 500 Joules/sec = 500 Watts
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